Fresh details about Google's eagerly-anticipated smart glasses have been released by the company.
A YouTube video uploaded by the company shows Google Glass in action - including the interface which appears in the wearer's line of sight.
The search giant has also opened up the trial of the product to "creative individuals" and developers.
Google co-founder Sergey Brin was recently spotted on New York's subway testing the device.
The product was first unveiled as part of a demonstration at a Google launch event last year where developers were offered early access to the device for $1,500.
The company is now inviting people in the US to use the hashtag #ifihadaglass to suggest ways they would make use of the headset.
"We're looking for bold, creative individuals who want to join us and be a part of shaping the future of Glass," Google said.
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